10. Общее повторение сослагательного наклонения, условных предложений и глаголов should, would,

may, might и could

Упражнение Переведите следующие предложения:

1. If we had a really pure insulator it could not be heated.

2. Earth behaves as though the attractive force were acting at its centre.

3. It is of interest to inquire whether a radioactive charge should be classed as chemical in character or not.

4. No fuel would burn in an atmosphere deprived of its oxygen.

5. The early alchemists searched for a fluid which would dissolve gold.

6. The chemistry of radium resembles that of barium as we should expect from the position of these two elements in the Periodic Table.

7. If the distance to the star be known, its candle power can be judged from its apparent brightness.

8. There are many reactions which the chemist would like to speed up; there are other reactions which we should like to retard.

9. Should the anode grow too hot you must decrease the power of the transmitter.

10. In view of the recent discovery of the positron, one might suspect that these particles are extremely rare in nature. Such is by no means the case.

11. The purest natural water is rain. Chemists, however, would hardly consider it as being really pure.

12. First of all it should be emphasized that atoms and molecules are infinitely small, so small that it is really impossible for us to appreciate their masses.

13. The velocities are greatest in solids, which is what one would expect since their elasticities are normally higher than those of liquids or gases.

14. In order that a compound be in the large group of substances termed acids, it must have the following properties.

15. A gas in the normal state conducts electricity to a slight extent, however small the electric force may be.

16. Faraday stated as one of the laws of electrolysis that the mass of the substance liberated at an electrode would

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be directly proportional to the quantity of electricity sent through the solution.

17. One should carefully observe the definitions above given of the words force, energy and power as any want of clearness of ideas is fatal to an exact knowledge of physical facts.

18. One of the most remarkable features of a seam of coal, whatever its geological age may be, and in whatever part of the world it may occur is its purity.

19. If the neutron and proton had the same mass, and if the Coulomb energy were completely negligible, there should be a definite correlation between the energy levels of isobars.

20. Should the contents of this volume prove of any assistance to others in enabling them to proceed with the study of more advanced treaties, the author will feel amply rewarded for his task.

21. Batteries performing innumerable useful services, one can hardly imagine how we could do without them.

22. If we were to stand motionless and hold a weight in our arms, we would grow tired, but we would not be performing work in physical sense of the term.